schoolleidersvo.nl

.nl crawl

First seen 2026-05-29 · Last seen 2026-05-31 · ok HTTP/1.1 200 521 ms crawled 2026-05-31

US · 216.150.1.1 · AS16509 Amazon.com, Inc.

Reputation 100/100

Classifying

HTML metadata

Title: Schoolleiders VO
Description: Schoolleiders VO is van, voor en door schoolleiders. We richten ons op alle schoolleiders: van startende teamleiders tot ervaren rector-bestuurders.
Language: nl
Canonical: https://schoolleidersvo.nl

Open Graph

title: Schoolleiders VO
description: Schoolleiders VO is van, voor en door schoolleiders. We richten ons op alle schoolleiders: van startende teamleiders tot ervaren rector-bestuurders.

Technology

CDN: Vercel
CMS: Next.js

Analytics

Google Tag Manager

Third-party hosts loaded (4)

cdn.sanity.io×22
mccftp3c.api.sanity.io×2
cdn.cookie-script.com×1
www.googletagmanager.com×1

Social

DNS records live

NS

ns1.argewebhosting.eu
ns2.argewebhosting.com
ns3.argewebhosting.nl

MX

0 schoolleidersvo-nl.mail.protection.outlook.com

Verified for

Google
Microsoft 365

Email authentication strong

SPF

v=spf1 include:spf.protection.outlook.com include:spf.afas.online include:mailplus.nl include:_spf.spotler.email -all

strict (-all)

DMARC

v=DMARC1;p=quarantine

policy: quarantine

DKIM

selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAlndAysVdKVzJp1HzWtZhFsYDucEW81Bg35h1MO7wsjm9771vUjKdqsEFCkLO64oMQqvAPnGu56ZASH…

selectors probed

Certificate (current)

R13

from 2026-05-22 to 2026-08-20

Expires in 80 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.schoolleidersvo.nl/

present

strict-transport-security

findings

missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy

Header values

strict-transport-security: max-age=63072000

Links to (3)

Linked from (1)

vo-raad.nl×1